Basic Arithmetic Operations Quiz

Without a calculator add the following two numbers: 52 + 68.

Without using a calculator subtract the following numbers: 146 − 36.

Without a calculator add the following two numbers: 79 + 32.

Without using a calculator subtract the following numbers: 118 − 44.

Estimate the answer to the following calculation: 286 + 407.

A family set off on a journey that is 289 km long. What will the car’s distance meter read at the end of the journey?

A glass with capacity 230 ml is filled from a jug containing 725 ml of water. How much water is left in the jug after: one glass of water is poured?

A child buys five packets of sweets each containing 80 sweets. How many sweets does he buy in total?

How many rows are there if 360 chairs are arranged in rows of 20?

Are there examples where these rules do not apply?